#include <stdio.h>

int main(){
	//int arr[3][2] = {1, 2, 3, 4, 5, 6};
	//int arr[3][2] = {{1, 2}, {3, 4}, {5, 6}};
	//int arr[][2] = {1, 2, 3, 4, 5};
	int arr[][2] = {{1}, {2}, {3}};
	int row = 0, col = 0;
	for (row = 0; row <= 2; row++) {
		for (col = 0; col <= 1; col++) {
			printf("%d ",arr[row][col]);
		}
		printf("\n");
	}	
	return 0;
}
